CN111531210B

CN111531210B - Numerical control milling machine convenient to maintain

Info

Publication number: CN111531210B
Application number: CN202010508219.8A
Authority: CN
Inventors: 何超; 杨伟刚
Original assignee: Changzhou Jinyu Precision Technology Co ltd
Current assignee: SHENZHEN CHUANSHIDA TECHNOLOGY Co.,Ltd.
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-11-05
Anticipated expiration: 2040-06-05
Also published as: CN111531210A

Abstract

The invention provides a numerical control milling machine convenient to maintain, which comprises a folding door, wherein the bottom of the folding door is fixedly connected with a side window or a back window, the top end of the folding door is of a detachable structure, a chip removal mechanism is arranged on a part extending out of the tail of a working bin of a machine tool, the chip removal mechanism is connected with a screen, and four corners of the screen are provided with reset mechanisms which are used for vibrating the screen; the installation and structure form of the folding door effectively separates the inside and the outside of a machine tool, keeps the working site clean, the screen below the workbench can effectively perform dry-wet separation, the separated metal chips lose viscosity and can be transferred to an inclined angle in high-frequency vibration so as to slowly screen the metal chips to the outside of the numerical control milling machine, and the door type structure cannot be opened difficultly due to excessive metal chips in such a way, so that the folding door is convenient and quick, and the size of the numerical control milling machine can be miniaturized as much as possible.

Description

Numerical control milling machine convenient to maintain

Technical Field

The invention relates to the technical field of numerical control milling machines, in particular to a numerical control milling machine convenient to maintain.

Background

The numerical control milling machine can carry out numerical control machining on a plurality of surfaces, the machining precision is high, the numerical control milling machine is more and more concerned, the improvement on the numerical control milling machine is more and more, the improvement on the numerical control milling machine mainly comprises two directions, one is the machining precision of the numerical control milling machine, the other is the simplification of the structure of the numerical control milling machine as much as possible according to the requirements of products, however, the route is in conflict with the maintenance of equipment, the smaller the numerical control milling machine is, the more difficult the maintenance is, in the actual work, no matter cooling liquid or metal chips are thrown out to any position of the numerical control milling machine, the difficulty of the maintenance and the cleaning of the equipment is increased due to the action of centrifugal force, particularly, people cannot enter the equipment in a smaller environment, and the maintenance cost of the equipment is increased.

At present, there are two kinds of main modes to numerically controlled fraise machine's clearance maintenance, one is regularly lift off the shell of complete machine, carry out comprehensive clearance and be leading to all positions, but set the gate-type structure that can open with the shell, timely opening door is internal clearance when needing, first mode maintenance cost height needs to shut down the maintenance and need spend a large amount of time, second mode needs timely clearance metal fillings in actual operation, the granule of metal fillings is smaller, often enter into gate-type structure's track or hinge, form the natural stopping, the door can't be opened from the outside in many times, because of this reason, the structure of gate-type is also eliminated gradually, do not have this problem of fundamentally solution.

Therefore, how to improve the shell and the internal cleaning structure of the numerical control milling machine, the door type structure can be conveniently opened by adopting various modes and cleaning metal chips or cooling liquid according to different working condition environments, and the technical problem to be solved by the invention is that the door cannot be opened and is convenient to maintain due to the blockage of the metal chips.

Disclosure of Invention

The present invention aims to provide a numerically controlled milling machine which is convenient to maintain, which overcomes or at least partially solves the above problems, so as to solve the problem that the existing numerically controlled machine tool is inconvenient to clean and maintain.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention provides a numerical control milling machine convenient for maintenance, which comprises a machine tool working bin and a support frame body fixedly arranged above the machine tool working bin, wherein the support frame body is provided with notches in four directions, the notches in the working position are working positions, side windows are arranged on two sides of each working position, one or more back windows are arranged on one side opposite to each working position, the side windows and the back windows are used for opening during machine tool maintenance, folding doors are respectively arranged on the side windows and the back windows, the bottoms of the folding doors are fixedly connected with the side windows or the back windows, the top ends of the folding doors are of a detachable structure, a chip removal mechanism is arranged on the extending part of the tail part of the machine tool working bin and connected with a screen, a gap is arranged between the screen and a working table surface, holes with the size within 3 mm are distributed on the screen, and reset mechanisms are respectively arranged at four corners of the screen, the reset mechanism is used for vibrating the screen; the supporting seat of chip removal mechanism outside through setting up at the lathe is the benchmark, and the supporting seat is the channel-section steel of invering, and the top fixed mounting of supporting seat has the motor, and the motor shaft passes the supporting seat and stretches into the below, and the carousel is installed to the extreme point of motor shaft, and the last quotation of carousel axle symmetry is provided with two bosss, and the boss is hemispherical structure.

As a further scheme of the invention, the area of the top of the support frame body is larger than that of the bottom of the support frame body, the four vertical surfaces of the support frame body form obtuse angles with the working table surface, and the maximum size of the obtuse angle is not more than 100 degrees.

As a further scheme of the invention, a supporting table is arranged below the machine tool working bin, the supporting table is of a cavity structure, and a liquid tank is placed in the cavity of the supporting table and used for collecting cooling liquid.

As a further scheme of the invention, the screen is formed by combining a plurality of screens, the two ends of the combined screen are high and the middle of the combined screen is low, the two screens have two inclination angles, one inclination angle is inclined to the middle position of the two screens, the other inclination angle is inclined to the position of the chip removal mechanism, and the chip removal mechanism is provided with a chip removal port for discharging metal chips.

As a further scheme of the invention, four corners of the screen are provided with lugs, the lugs are provided with reset mechanisms, each reset mechanism comprises a reset spring and a limiting pin, the reset mechanism is used for installing the reset plate and the lugs through the limiting pins on two sides, and the reset springs are arranged between the lugs and the limiting plates.

As a further scheme of the invention, the movable end of the lug is installed through a strip-shaped plate, and the strip-shaped plate is rigid and is fixedly installed on the support frame body.

As a further scheme of the invention, the folding door is composed of a plurality of movable plates and an elastic sealing band, the movable plates are connected through pin shafts, the elastic sealing band is arranged at the connection position of the movable plates, and the elastic sealing band is arranged at the inner side of the folding door.

As a further scheme of the invention, stretchable draw hooks are arranged on two sides of the top of the folding door, the draw hooks are mounted on the movable plate at the topmost end through pre-tightening springs, and the draw hooks are mounted in a matched mode with the pull columns mounted on the support frame body.

As a further aspect of the present invention, the size of a portion of the folding door is larger than that of the side window or the back window, and the folding door is smaller than that of the side window or the back window at a position where the pin is installed.

The invention provides a numerical control milling machine convenient to maintain, which has the beneficial effects that: the invention adopts a door-type opening mode to clean and maintain three surfaces except a working position in the shell of the numerical control milling machine in an open mode, a door structure adopts a pull-down folding door, the bottom of the folding door is fixed and cannot be opened due to the blockage of the door structure caused by the splashing of metal chips, the installation and structural form of the folding door effectively separates the inside and the outside of the machine tool and keeps the cleaning of a working place, a screen below a working table can effectively separate the inside and the outside of the machine tool from the outside, the separated metal chips lose viscosity and can be transferred to an inclined angle in high-frequency vibration, so that the metal chips are slowly screened to the outside of the numerical control milling machine, and the door-type structure cannot be opened easily due to excessive metal chips in such a mode, the operation is convenient and fast, and the size of the numerical control milling machine can be miniaturized as much as possible.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic diagram of a three-dimensional front axial structure according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a three-dimensional back axial structure according to an embodiment of the present invention.

Fig. 3 is a schematic view of a stretching structure of a folding door according to an embodiment of the present invention.

Fig. 4 is a schematic view of a folding structure of a folding door according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a horizontal installation position structure of the screen according to the embodiment of the present invention.

Fig. 6 is a schematic view of a chip removal mechanism mounting structure provided by the embodiment of the invention.

Fig. 7 is a schematic structural diagram of a front surface of a screen provided in an embodiment of the present invention.

Fig. 8 is a schematic view of a structure for continuously installing a plurality of screens according to an embodiment of the present invention.

In the figure: 1. a machine tool working bin; 2. a work table; 21. a support table 22, a table; 3. a support table; 31. a liquid tank; 4. a support frame body; 41. a side window; 42. a back window; 43. pulling the column; 5. a chip removal mechanism; 51. a supporting seat; 52. a motor; 53. a turntable; 54. a boss; 6. a folding door; 61. a movable plate; 62. an elastic sealing tape; 63. pulling a hook; 64. pre-tightening the spring; 65. a pin shaft; 7. screening a screen; 71. a lug; 71. a first mesh surface; 72. a second web surface; 81. a return spring; 82. and a limiting pin.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1 to 8, a numerically controlled milling machine convenient for maintenance according to an embodiment of the present invention includes a machine tool working bin 1 and a support frame 4 fixedly installed above the machine tool working bin 1, where the support frame 4 is provided with notches in four directions, where the notch in the working position is a working position, the two sides of the working position are both provided with side windows 41, one or more back windows 42 are provided on the opposite side of the working position, both the side windows 41 and the back window 42 are used for opening during machine tool maintenance, so as to facilitate cleaning or maintenance by an operator, the side windows 41 and the back window 42 are both provided with a folding door 6, the bottom of the folding door 6 is fixedly connected with the side windows 41 or the back window 42, the top end of the folding door 6 is of a detachable structure, and when the numerically controlled milling machine needs maintenance, the top end of the folding door 6 is removed and pushed or pressed to the bottom, so that the side windows 41 and the back window 42 can be opened, thereby the dead angle in the numerical control milling machine is cleared up to the convenience, and stretch into any accessible position when can maintaining again, avoid the production of blind area or blind area, need not to support 4 dismantles of support body during the maintenance, it is convenient effective, the area that supports 4 tops of support body is greater than the area that supports 4 bottoms of support body, such structure makes the face that supports 4 four directions of support body on vertical direction can produce certain inclination, it all is the obtuse angle with table surface 2 to support the face on 4 four vertical directions of support body, and obtuse maximum dimension is no longer than 100 degrees, such inclination structure can make the coolant liquid that splashes flow back to the ground step of lathe on the one hand, on the other hand has increased the inner space, there is sufficient size to operate in the more compact numerical control milling machine of structure.

As shown in fig. 1 and 2, the below of lathe working bin 1 is provided with brace table 3, brace table 3 is the cavity structure, liquid tank 31 has been placed in the 3 cavities of brace table, liquid tank 31 is used for collecting the coolant liquid, thereby can centralized processing, the afterbody extension of lathe working bin 1 is provided with chip removal mechanism 5, chip removal mechanism 5 is connected with screen cloth 7, screen cloth 7 and table surface clearance set up, it has the size to distribute on the screen cloth 7 the hole within 3 millimeters, screen cloth 7 filters the coolant liquid, stay the surface of screen cloth 7 with the metal fillings, thereby carry out the wet separation futilely, the convenience is cleared up the metal fillings, canceling release mechanical system is all installed at four angles of screen cloth 7, canceling release mechanical system is used for shaking screen cloth 7, thereby get rid of the outside of lathe with metal fillings or debris.

As shown in fig. 5, the screen 7 is formed by combining a plurality of screens, the two ends of the combined screen 7 are higher and middle, metal chips can be concentrated to the middle lower position during vibration, then the metal chips are discharged to the outside of the machine tool through the inclined outward positions, the two screens 7 have two inclined angles, one is inclined to the middle position of the two screens 7, the other direction is inclined to the position of the chip removal mechanism 5, and the chip removal mechanism 5 is provided with a chip removal port for discharging the metal chips.

As shown in fig. 6, 7 and 8, the chip removal mechanism 5 is based on a support seat 51 arranged outside the machine tool, the support seat 51 is an inverted channel steel, a motor 52 is fixedly mounted at the top of the support seat 51, a motor shaft penetrates through the support seat 51 and extends into the lower part, a turntable 53 is mounted at the end point of the motor shaft, two bosses 54 are arranged on the upper disc surface of the turntable 53 in axial symmetry, the bosses 54 are of a hemispherical structure, the bosses 54 are in contact with lugs 71 in the rotating process of the turntable 53, so that the screen 7 moves up and down in the vertical direction, and the motor 52 rotating at high speed enables the screen 7 to have high-frequency vibration, thereby achieving the purpose of vibration.

Preferably, four corners of the screen cloth 7 are provided with lugs 71, a reset mechanism is mounted on the lugs 71, the reset mechanism comprises a reset spring 81 and a limit pin 82, the reset mechanism mounts the reset plate and the lugs 71 through the limit pins 82 on two sides, the limit pin 82 can be an elastic material with a stretching limit, and can be a rigid material mounted with the reset plate in a clearance manner, the reset plate can move along the limit pin 82 with a small resistance, so as to compress the reset spring 81, the reset spring 81 is disposed between the lugs 71 and the limit plate, during operation, the reset spring 81 receives the acting force of the boss 54, transmits the force to the lugs 71, the multiple screen cloths 7 transmit the force and the two sides vibrate under the elastic action of the reset spring 81, and finally the purpose of vibrating the metal scraps out of the workbench is achieved.

Preferably, the movable end of the lug 71 is mounted by a strip-shaped plate, which is rigid and is fixedly mounted on the support frame 4, the strip-shaped plate enabling the lug 71 to be mounted with a fixed fulcrum.

As shown in fig. 3 and 4, the folding door 6 is composed of a plurality of movable plates 61 and an elastic sealing tape 62, the movable plates 61 are connected by a pin 65, the elastic sealing tape 62 is disposed at the connection position of the movable plates 61, the elastic sealing tape 62 is disposed only on the inner side of the folding door 6, the elastic sealing tape 62 protects the connection position of the movable plates 61 from entering metal chips, the entering of the metal chips can cause the locking of the folding door 6, thereby reducing the service life of the folding door 6, and the elastic sealing tape 6 can also keep the cooling liquid inside the cabinet and cannot flow out from the gap of the connection part.

Preferably, stretchable draw hooks 63 are arranged on both sides of the top of the folding door 6, the draw hooks 63 are mounted on the topmost movable plate 61 through pre-tightening springs 64, the draw hooks 63 are mounted in cooperation with the pull columns 43 mounted on the support frame body 4, and the pre-tightening springs 64 can enable the length of the folding door 6 to be variable, so that the folding door 6 can still be connected with the pull columns 43 when blocking occurs in an accident situation, and the continuous usability of the folding door 6 is maintained.

Preferably, the size of a portion of the folding door 6 is larger than the side window 41 or the back window 42, and the folding door 6 is smaller than the side window 41 or the back window 42 at a position where the pin 65 is installed.

The working principle of the invention is as follows: when the numerical control milling machine works, cooling liquid and metal chips are required to splash to any position in the support frame body 4 under the action of centrifugal force rotating at high speed, the splashing is irregular and has no blind area, the splashed cooling liquid and metal chips fall into the screen 7, the cooling liquid falls into the liquid tank 31 under the action of gravity and is collected, the cooling liquid can be treated by pulling out the liquid tank 31, the metal chips stay on the screen 7, after the metal chips and the cooling liquid are completely separated, the motor 52 is started, the motor 52 drives the turntable 53, the bosses 54 on the turntable 53 are contacted with the corresponding reset mechanisms at intervals, so that the lugs 71 shake the screen 7 under the action of elastic force, the high-speed rotation increases the vibration frequency of the screen 7, most of the metal chips can be discharged to the outside of the machine tool in a vibration mode, a small amount of metal chips are difficult to clean, and the method comprises the steps of separating the draw hook 63 at the top end of the folding door 6 from the draw column 43 when the equipment needs to be maintained, the folding door 6 is pushed downwards, the numerical control milling machine can be cleaned without dead angles from four directions, and the folding door 6 is lifted up after maintenance and cleaning are completed to continue working.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a numerically controlled fraise machine convenient to maintain, includes lathe working bin (1) and fixed mounting support body (4) in lathe working bin (1) top, support body (4) and all be provided with the breach on four directions, wherein, the breach at the operating position is the work position, all is provided with side window (41) in the both sides of work position, and the relative one side in work position is provided with one or more back of the body window (42), and side window (41) and back of the body window (42) all are used for opening when the lathe is maintained, its characterized in that, all install folding door (6) on side window (41) and the back of the body window (42), the bottom and side window (41) or back of the body window (42) fixed connection of folding door (6), and the top of folding door (6) is detachable structure, the afterbody extension of lathe working bin (1) is provided with chip removal mechanism (5), and chip removal mechanism (5) are connected with screen cloth (7), the screen (7) and the working table are arranged in a clearance mode, holes with the size within 3 mm are distributed in the screen (7), and the reset mechanisms are arranged at four corners of the screen (7) and are used for vibrating the screen (7); chip removal mechanism (5) are the benchmark through setting up supporting seat (51) outside the lathe, and supporting seat (51) are the channel-section steel of invering, and the top fixed mounting of supporting seat (51) has motor (52), and the motor shaft passes supporting seat (51) and stretches into the below, and carousel (53) are installed to the extreme point of motor shaft, and the last quotation of carousel (53) axial symmetry is provided with two boss (54), and boss (54) are half spherical structure.

2. The numerically controlled milling machine convenient for maintenance according to claim 1, characterized in that the area of the top of the support frame body (4) is larger than the area of the bottom of the support frame body (4), four vertical faces of the support frame body (4) are all obtuse angles with the work table surface (2), and the maximum dimension of the obtuse angle is not more than 100 degrees.

3. The numerically controlled milling machine convenient for maintenance according to claim 2, characterized in that a support table (3) is arranged below the machine tool working chamber (1), the support table (3) is a cavity structure, a liquid tank (31) is arranged in the cavity of the support table (3), and the liquid tank (31) is used for collecting cooling liquid.

4. The numerically controlled milling machine convenient to maintain according to claim 3, characterized in that the screen cloth (7) is formed by combining a plurality of screens, the two ends of the combined screen cloth (7) are high and the middle of the combined screen cloth (7) is low, the two inclination angles of the screen cloth (7) are two, one inclination angle is inclined to the middle position of the two screen cloths (7), the other inclination angle is inclined to the position of the chip removal mechanism (5), and the chip removal mechanism (5) is provided with a chip removal port for discharging metal chips.

5. The numerically controlled milling machine convenient for maintenance according to claim 4, characterized in that four corners of the screen (7) are provided with lugs (71), a reset mechanism is mounted on the lugs (71), the reset mechanism comprises a reset spring (81) and a limit pin (82), the reset mechanism mounts the reset plate and the lugs (71) through the limit pins (82) on two sides, and the reset spring (81) is arranged between the lugs (71) and the reset plate.

6. Conveniently maintained numerically controlled milling machine according to claim 5, characterized in that the movable end of said lug (71) is mounted by means of a strip rigid and fixed to the support frame (4).

7. The numerically controlled milling machine facilitating maintenance according to claim 6, characterized in that the folding door (6) is composed of a plurality of movable plates (61) and elastic sealing bands (62), the movable plates (61) are connected with each other by a pin (65), the elastic sealing bands (62) are disposed at the connection positions of the movable plates (61), and the elastic sealing bands (62) are disposed at the inner side of the folding door (6).

8. The numerically controlled milling machine convenient for maintenance according to claim 7, wherein stretchable draw hooks (63) are arranged on both sides of the top of the folding door (6), the draw hooks (63) are mounted on the topmost movable plate (61) through pre-tightening springs (64), and the draw hooks (63) are mounted in a matching manner with the pull columns (43) mounted on the support frame body (4).

9. Easy maintenance numerically controlled milling machine according to claim 8, characterized in that the folding door (6) has a partial size larger than the side window (41) or the back window (42), and the folding door (6) is smaller than the side window (41) or the back window (42) at the position where the pin (65) is installed.